builder/parallels: typos

We're using packer namespace now

Add support for Parallels Desktop for Mac [GH-223]

Fixes https://github.com/rickard-von-essen/packer-parallels/issues/3

The code originate from https://github.com/YungSang/packer-parallels

Added documentation for Parallels builder.

Added builder plugins: builder-parallels-iso and builder-parallels-pvm.

provisioner/chef-client: node DNA needs to handle multiple types

Makes chef-client provisioner consistent with chef-solo in its handling of nested JSON as well as strings.

Fixes #1096

builder/openstack: Support more user variables in the OpenStack builder

tiniest of typos

[OpenStack] Add flexible IP pool/address handling.

builder/digitalocean: use names/slugs as well as IDs for image/region/si...

post-processors/vsphere: Optional parameters in vSphere post-processor

datastore, vm_folder, and vm_network options can be omitted.

Allow wildcards and directories for floppy_files parameter

Add ability to run vboxmanage commands just before exporting [GH-664]

website: Fix EC2 IAM documentation.  Possibly fixes #577